Expansion base for a slate or tablet type computing device



FIG. 1 is a perspective view of an expansion base for a slate or tablet type computing device showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a top plan view thereof. 

The ornamental design for an expansion base for a slate or tablet type computing device, as shown and described. 